(19)
(11) EP 3 948 757 A1

(12)

(43) Date of publication:
09.02.2022 Bulletin 2022/06

(21) Application number: 20784942.3

(22) Date of filing: 02.04.2020
(51) International Patent Classification (IPC): 
G06Q 50/06(2012.01)
E21B 41/00(2006.01)
 H04L 29/08(2006.01)
(52) Cooperative Patent Classification (CPC):
G06Q 10/063; G06Q 50/02; H04L 67/025; H04L 67/10
(86) International application number:
PCT/US2020/026432
(87) International publication number:
WO 2020/206153 (08.10.2020 Gazette 2020/41)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 03.04.2019 US 201962828974 P

(71) Applicants:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Geoquest Systems B.V.
    2586 BJ The Hague (NL)

    AL AT BE BG CH CY CZ DE DK EE ES FI GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR 

(72) Inventor:
  • JEANSON, Eric
    Houston, Texas 77056 (US)

(74) Representative: Schlumberger Intellectual Property Department 
Parkstraat 83
2514 JG Den Haag
2514 JG Den Haag (NL)

   


(54) LOCAL/HYBRID BLOCKCHAIN FOR OIL AND GAS OPERATIONS INTEGRITY